Paint spray gun



FIG. 1 is a front perspective view of a paint spray gun of the subject invention;

FIG. 2 is a first side view thereof;

FIG. 3 is a second side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a top view thereof. 

The ornamental design for a paint spray gun, as shown and described. 